TLS Online TPP Program

#Question id: 12157


Which of the following statements concerning protists is false?

#XL - R Botany
  1. All protists are eukaryotic organisms; many are unicellular or colonial.
  2. The primary organism that transmits malaria to humans by its bite is the tsetse fly.
  3. All apicomplexans are parasitic.
  4. Cellular slime molds have an amoeboid stage that may be followed by a stage during which spores are produced.
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TLS Online TPP Program

#Question id: 11603

#XL - R Botany

Several important role promotes GA in the plant except____

TLS Online TPP Program

#Question id: 11604

#XL - R Botany

What will be the effect of exogenous gibberellin in plant?

a) extreme stem elongation in dwarf plants

b) Increases  in stem thickness

c) decrease in leaf size

d) decreases in stem thickness

e) Increases in leaf size

f) pale green color of the leaves

TLS Online TPP Program

#Question id: 11605

#XL - R Botany

Major uses of gibberellins applied as a spray or dip, are to manage several processes except,

TLS Online TPP Program

#Question id: 11607

#XL - R Botany

How the active gibberellin GA1 is inactived by?

a)  By hydroxylation remove GA20 from the biosynthetic pathway by converting it to GA1

b) conversion to GA8 by a hydroxylation on carbon 2

c) By hydroxylation remove GA20 from the biosynthetic pathway by converting it to GA29

TLS Online TPP Program

#Question id: 11609

#XL - R Botany

All of gibberellins are tetracyclic diterpenoid acids, but only a few of which, have intrinsic biologically active gibberellins these are__

TLS Online TPP Program

#Question id: 11611

#XL - R Botany

Given below are names of phytohormones in column I and their associated features/effects/ functions in column II.

                     

                    Column I

             ( Phytohormones)

                

                        Column II

                       ( Features)

 

A) Auxin

 

i)  Causes seed germinations

 

B) Cytokinin

 

ii)  Plant Stress Hormone that activates many defense responses

 

C) ABA

 

iii) Polar transport

 

D) Gibberellin

 

iv)  Delayed leaf senescence

 

E) Jasmonic acid

 

v) Causes seed dormancy

 

 







Which of the following combination from the above statements is  correct?